From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A83E42EBB8D; Tue, 21 Jul 2026 20:36:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784666215; cv=none; b=PhFHuGYNr7/LfY7qD9XaBxZBrMrReRxHqQKjAJkG0XkaLrrkiEMuR1phVQjlhUB+Imw0bcch9uZkm7VwJFoKYoNaZbJpYQK58ndUOYf3NTwyTpUQIj+zobDjpPvMMlRYVZVoCKQFG/AtjE/8pOkdYw0u4LztYQmUJALlnkSm4fw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784666215; c=relaxed/simple; bh=37/5ld0qdqD3FYCYAr5iXi0MDwZZPC4NGaZ3A8/GxqA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EMd9TPcwGNp+PT70x0lh46DnRb93009lQitPd3mAVriIoZfe8CLMBb1oE+9R41O9HKgCNffc4d+Nx8S1LmxSbsN5MmiGmYijM46hWyNfvVz3SbrQaChDhu8jLULm3VQR2c1Jll1WTAU1KSc1nMPFC81rj6VK/DNXxm7AZoKbG8c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=BqZ6+SFv; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="BqZ6+SFv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14CE21F000E9; Tue, 21 Jul 2026 20:36:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784666214; bh=QNflqTjlY3EWn91Ki5zDq4tCL/hAW0vqksubmFm5C/U=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BqZ6+SFvbZYlstTwcYp6lqmhOcWsPugEuyOlb7fEdke5VzKqd+Nhx07s0Mpk36Zvu hlu7xLBwQus59uZ5KaucQKp7tow+wlZ3R4C+npDQ1vRIqQAmMCqpqczkdR+9zOfjLI IKSTjEvTMv2PKGK3SZtzwcXO4NBobXcqgFJ7xwJg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Leon Romanovsky , Jason Gunthorpe , Sasha Levin Subject: [PATCH 6.6 0555/1266] =?UTF-8?q?RDMA/mlx5:=20Release=20the=20HW=E2=80=91provided=20UAR?= =?UTF-8?q?=20index=20rather=20than=20the=20SW=20one?= Date: Tue, 21 Jul 2026 17:16:32 +0200 Message-ID: <20260721152454.284668749@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152441.786066624@linuxfoundation.org> References: <20260721152441.786066624@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Leon Romanovsky [ Upstream commit 449ae7927152e46acbe5f19f97eafdae6d3a96b1 ] Free the UAR index returned by the hardware. Fixes: 4ed131d0bb15 ("IB/mlx5: Expose dynamic mmap allocation") Link: https://patch.msgid.link/r/20260611-fix-uar-release-v1-1-f5464d845dbf@nvidia.com Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx5/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index d523bc9052ede3..10422dee6db818 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2282,7 +2282,7 @@ static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, if (!dyn_uar) return err; - mlx5_cmd_uar_dealloc(dev->mdev, idx, context->devx_uid); + mlx5_cmd_uar_dealloc(dev->mdev, uar_index, context->devx_uid); free_bfreg: mlx5_ib_free_bfreg(dev, bfregi, bfreg_dyn_idx); -- 2.53.0